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Azul Zing vs Zend PHP Engine comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Azul Zing
Ranking in Application Infrastructure
12th
Average Rating
9.6
Reviews Sentiment
5.9
Number of Reviews
10
Ranking in other categories
AI Customer Experience Personalization (24th)
Zend PHP Engine
Ranking in Application Infrastructure
16th
Average Rating
8.0
Reviews Sentiment
7.6
Number of Reviews
11
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Application Infrastructure category, the mindshare of Azul Zing is 2.8%, down from 3.3% compared to the previous year. The mindshare of Zend PHP Engine is 2.7%, up from 1.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Infrastructure Mindshare Distribution
ProductMindshare (%)
Azul Zing2.8%
Zend PHP Engine2.7%
Other94.5%
Application Infrastructure
 

Featured Reviews

Mohakhan Khan - PeerSpot reviewer
Software Technical Expert at a tech vendor with 10,001+ employees
Real-time charging has stayed consistent and cuts GC incidents while reducing cloud costs
The best features Azul Zing offers include no stop-the-world during the full GC. No stop-the-world pauses during full GC, and we hit higher TPS with fewer JVMs -- a real win for maintenance and cost. As an online charging system, we can't afford crashes or latency spikes. Before Zing, JVMs would hang and drop from the grid on missed heartbeats. GC tuning is also out-of-the-box -- no more time consuming manual tuning like with Oracle/OpenJDK with no significant outcome.
MW
CEO at VonatelNetworks
Effective network data analysis with customization capabilities and an open-source model
We use Zend PHP Engine in a government project to develop a tool for network monitoring analysis. We utilize the tool to collect all the network data for a platform PHP allows us to personalize a solution if the customer desires. This flexibility is beneficial. Zend PHP Engine is a good tool for…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Performance of the JVM, especially the C4 Pauseless Garbage Collection, for continuous application execution is the most valuable feature."
"Zing has completely solved the garbage collection problem for us."
"With minimal effort, Zing has helped us improve our latency performance dramatically."
"GC Pause times are maintained in low milliseconds, which is beneficial for applications with high volume, high memory allocation rate, and a high memory footprint, and it also increases throughput by approximately 20-25% as compared to Oracle Java Development Kit based on some tests that I have done with real applications."
"The non-stop garbage collector (C4 - Continuously Concurrent Compacting Collector) is the most valuable feature."
"With minimal effort, Zing has helped us improve our latency performance drastically."
"With Zing, we've now been able to re-allocate those tuning resources to general product development."
"With minimal effort, Zing has helped us improve our latency performance dramatically."
"​Zend Engine is the core of PHP. It makes PHP fast, efficient, and basically, the language of choice for web applications."
"Zend PHP Engine is more secure than any other framework, and I usually prefer Zend PHP Engine for big applications."
"The cache modules that Zend provides have been able to optimize and accelerate the loading of the pages when there was exponential growth in data volume and quantity of requests. At the same time, the monitoring console allowed us to have a real-time understanding of the resources and to make decisions when they were at the limit."
"Offers a complete environment to develop PHP applications. It is valuable because it allows you to have a complete stack (PHP, MySQL, Zend Server) enabling the building of a development environment, and to deploy to the production system."
"No issues with stability encountered."
"It makes web design easy and quick and gives well finished websites."
"This solution is really easy for me to use."
"The solution's initial setup process is easy."
 

Cons

"The profiling tools included with Zing lag behind those available for Oracle's Java implementation."
"It is extremely expensive."
"Although Azul claims to have a fast warmup, we still experience higher latency for the first trade when our system starts up on Sundays."
"Although Azul claims to have a fast warmup, we still experience higher latency for the first trade when our system starts up on Sundays."
"However, like every other great product, there is always something that can be improved."
"We have encounter stability issues and that has been a source of frustration at times."
"The licensing over non-production environments considerably affects the cost of our solution as a software vendor."
"Integration of MVC with ORM tools for PHP is okay, but lacking a short list of decent ORM tools for PHP to choose from; there is ample room for improvement in both areas."
"SQL queries have always been an issue with PHP, especially if you use large tables, which require caution from the side of the developer.​"
"The main area that Zend needs to improve is to support asynchronous programming tasks, which is facilitated in PHP 7, but not at the same degree as HHVM.​​"
"Zend PHP Engine needs to improve the loading time of its libraries and make it faster."
"Its object oriented programming language needs improvement."
"The biggest problem with PHP is you have to write lot of conditions or have to use a framework."
"In terms of improvement, it doesn't support concurrent processing. When we want to process anything on a concurrent basis, we have to divide it into a number of things, like a queue, or we have to run it using Cron jobs. We would like to have the capability to run any thread or process in parallel."
"Although it offers a complete environment to develop and deploy PHP applications, it has some limitations. For example, when the volume of data increased exponentially, I had problems scaling the system."
 

Pricing and Cost Advice

Information not available
"Its pricing depends on the number of users."
"Zend PHP Engine is not an expensive solution."
"The solution is open source and you just pay for the server cost."
"No problem with pricing and licensing, as tools are open source. You have to consider training cost, mindset setup cost, as part of the TCO."
"The Zend PHP engine is open source technology, so there's no need for us to worry about licensing or other costs."
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Top Industries

By visitors reading reviews
Financial Services Firm
20%
Manufacturing Company
12%
Construction Company
11%
Outsourcing Company
8%
Manufacturing Company
17%
Financial Services Firm
17%
Construction Company
15%
Comms Service Provider
14%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise4
Large Enterprise3
By reviewers
Company SizeCount
Small Business9
Large Enterprise2
 

Questions from the Community

What is your experience regarding pricing and costs for Azul Zing?
Setup cost isn't significant, the documentation is clear and straightforward, and licensing is simple. I'm not directly involved in pricing negotiations, but given we run it across many production ...
What needs improvement with Azul Zing?
Nothing major, but one nuance: Zing auto-adjusts internal config based on available CPUs, which can cause brief CPU spikes every few minutes. These are harmless, but can give ops/monitoring teams a...
What is your primary use case for Azul Zing?
We run a large in-memory data grid to store millions of customers -- clusters of up to 30-40 JVMs, each with ~90GB heap, deployed across a variety of infrastructure including Azure, AWS, and on-pre...
What needs improvement with Zend PHP Engine?
Integrating AI tools would make PHP more competitive, as other tools already have AI features.
What is your primary use case for Zend PHP Engine?
We use Zend PHP Engine in a government project to develop a tool for network monitoring analysis. We utilize the tool to collect all the network data for a platform.
 

Comparisons

 

Also Known As

No data available
PHP Engine
 

Overview

 

Sample Customers

Priceline, RBS, Credit Suisse, ING, Creditex, Nielsen, Workday, Saks Fifth Avenue, Entergy, Quotix, Puma and many more.  Visit azul.com for more.
Cisco
Find out what your peers are saying about Azul Zing vs. Zend PHP Engine and other solutions. Updated: September 2026.
917,433 professionals have used our research since 2012.